You may not ride your motorcycle, motorcycle with a sidecar or motor tricycle, on a public road unless there is fitted on the rear of such cycle a red retro reflector.
Light Motor Vehicles
A light motor vehicle must be fitted on the rear of it with two red retro-reflectors, one on each side.
Heavy Motor Vehicle
A heavy motor vehicle may not be used on a public road unless there are fitted on the rear of such vehicle at the same height two red retro-reflectors, one on each side.
A heavy motor vehicle or a combination of motor vehicles may not be used on a public road, if the overall length of such vehicle or combination exceeds 7 metres,
unless there is fitted, on each side of such vehicle so many yellow retro-reflectors as may be necessary to ensure that no two successive yellow retro-reflectors are more than 3,6 metres apart,
If yellow reflective strips are fitted to a goods vehicle, yellow retro-reflectors are not necessary.